Rosenthal Brent Dinsider trades

In SEC Form 4 filings, Rosenthal Brent D is listed as Director of Horizon Kinetics Holding Corp (HKHC). In the last 90 days, Rosenthal Brent D bought $54K of Horizon Kinetics Holding Corp (HKHC) on the open market and sold none. The purchase was $54K of Horizon Kinetics Holding Corp (HKHC) on Aug 24. Took part in a cluster buy; the latest at Horizon Kinetics Holding Corp (HKHC), where 3 insiders bought within 10 days, ending Sep 2.

Companies and roles

Company	Role	Transactions	Last filed
HKHCHorizon Kinetics Holding Corp	Director	1	Aug 25

Cluster buys

HKHC: 3 insiders bought $93.6K between Aug 24 – Sep 2.

Form 4 historysince 2026-08-25

Company	Traded	Filed	Type	Shares	Price	Value	Owned after	10b5-1 plan	Filing
HKHCHorizon Kinetics Holding Corp	Aug 24	Aug 25	P	2,000	$27.00	Purchase +$54,000	4,450	No	Form 4

Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.